Back in L.A., Simpson joins an all-star crowd at Les Deux. Plus: Jessica & Cash, Zac Efron and more
Credit: Jackson Lee-Ahmad Elatab/Splash News Online
Published: Monday Aug 27, 2007 | 05:00 PM EDT
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Cameron Diaz, who's been in New York City filming and hanging out with John Mayer, gets dressed up for a summer night on the town Thursday.
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